:root { --fg: #1d2330; --muted: #6b7280; --bg: #f5f7fa; --card: #fff; --accent: #128c7e; --danger: #c0392b; --border: #e2e6ec; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); }
header.top { display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--border); }
header nav { display: flex; gap: 16px; align-items: center; }
.brand { font-weight: 700; color: var(--accent); text-decoration: none; }
main { max-width: 900px; margin: 24px auto; padding: 0 16px; }
footer { text-align: center; padding: 24px; font-size: 13px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 20px 24px; margin-bottom: 20px; }
.card.narrow { max-width: 420px; margin: 40px auto; }
h1 { margin-top: 0; font-size: 22px; }
h2 { margin-top: 0; font-size: 18px; }
label { display: block; margin-bottom: 12px; }
input[type=text], input[type=email], input[type=password], input[type=url] { display: block; width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit; margin-top: 4px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
.row input { flex: 1; margin-top: 0; min-width: 200px; }
button { background: var(--accent); color: #fff; border: 0; border-radius: 6px; padding: 8px 14px; font: inherit; cursor: pointer; }
button[disabled] { opacity: .5; cursor: not-allowed; }
button.secondary { background: #4b5563; }
button.danger { background: var(--danger); }
button.link { background: none; color: var(--accent); padding: 0; }
button.link.danger { color: var(--danger); }
form.inline { display: inline; }
table { width: 100%; border-collapse: collapse; margin-top: 12px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); }
tr.revoked td { color: var(--muted); text-decoration: line-through; }
.muted { color: var(--muted); }
.error { background: #fdecea; color: var(--danger); padding: 8px 12px; border-radius: 6px; }
.notice { background: #e8f6f3; padding: 8px 12px; border-radius: 6px; }
code.token { display: block; word-break: break-all; background: #f0f2f5; padding: 8px; border-radius: 4px; user-select: all; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 13px; background: #e5e7eb; }
.badge.s-open { background: #d1fae5; color: #065f46; }
.badge.s-qr { background: #fef3c7; color: #92400e; }
.badge.s-connecting { background: #dbeafe; color: #1e40af; }
.badge.s-logged_out { background: #fde2e2; color: #991b1b; }
.qr-box { min-height: 60px; margin: 12px 0; }
.qr-box img { width: 280px; height: 280px; image-rendering: pixelated; border: 1px solid var(--border); }
select { display: block; width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit; margin-top: 4px; background: #fff; }
a.button { display: inline-block; background: var(--accent); color: #fff; border-radius: 6px; padding: 8px 14px; text-decoration: none; }
a.button.secondary { background: #4b5563; }
.hero h1 { font-size: 28px; }
.warning { background: #fff7e6; border: 1px solid #f5c26b; color: #6b4600; padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 12px; }
.plan { border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.plan .price { font-size: 20px; font-weight: 700; margin: 4px 0 8px; }
section.notice { margin-bottom: 20px; justify-content: space-between; }